Colorado · Jefferson County
Past Producer
Bigger Mica Mine
Jefferson County, Colorado, United States
Feldspar
Quartz
Beryllium
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USGS source ↗
Commodities
Primary
Feldspar
Secondary
Quartz, Beryllium
Commodity type
B
Economic & production
Development status
Past Producer
Identification
Deposit ID
10215154
MRDS ID
D010204
Region
NA
Data score
D
Coordinates
39.56499, -105.21478
References
COLORADO MINOBRASUSGS PROFESSIONAL PAPER 227MINE MAP REPO 402400